/* ==========================================================================
   TOSHU Studio - Premium Automotive Content Agency
   ========================================================================== */

/* --- Variables --- */
:root {
    --color-bg: #000000;
    --color-card: #0A0A0A;
    --color-border: #1A1A1A;
    --color-text: #FFFFFF;
    --color-muted: #A3A3A3;
    --color-orange: #FF6B07;
    --color-orange-glow: rgba(255, 107, 7, 0.2);
    
    --font-main: 'Outfit', system-ui, -apple-system, sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 16px;
    --container-width: 1200px;
    --nav-height: 64px;
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    
    /* Subtle premium technical texture across entire page */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    background-position: center top;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.relative-z {
    position: relative;
    z-index: 2;
}

.mx-auto { margin-left: auto; margin-right: auto; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -1px;
}

h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -1px; font-weight: 800; }
h3 { font-size: 1.5rem; letter-spacing: -0.5px; }

.text-orange { color: var(--color-orange); }

.section-label {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.star-icon {
    height: 20px;
    width: auto;
    margin-right: 8px;
    flex-shrink: 0;
}

.section-label.left-align {
    justify-content: flex-start;
}

.section-title {
    margin-bottom: 1.5rem;
}

.section-subtitle {
    color: var(--color-muted);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 80px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 100px 0;
    }
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-auto { margin-top: auto; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.ml-4 { margin-left: 1rem; }
.justify-center { justify-content: center; }

/* --- Glow Effects --- */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,107,7,0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}
.glow-bg.top-center { top: 10%; right: 5%; background: radial-gradient(circle, rgba(255,107,7,0.15) 0%, transparent 60%); }
.glow-bg.left-center { top: 50%; left: -200px; transform: translateY(-50%); }
.glow-bg.right-center { top: 50%; right: -200px; transform: translateY(-50%); }

/* --- Components --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--color-orange);
    color: #000;
    box-shadow: 0 4px 20px var(--color-orange-glow);
}

.btn-primary:hover {
    background-color: #ff8533;
    box-shadow: 0 6px 25px rgba(255, 107, 7, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-secondary:hover {
    border-color: var(--color-orange);
    color: var(--color-orange);
    background-color: rgba(255, 107, 7, 0.05);
}

.btn-large {
    font-size: 1.125rem;
    padding: 1.25rem 2.5rem;
}

.btn-nav {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(255, 107, 7, 0.5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px var(--color-orange-glow);
    transform: translateY(-5px);
}

.tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.orange-tag {
    background-color: rgba(255, 107, 7, 0.1);
    color: var(--color-orange);
    border: 1px solid rgba(255, 107, 7, 0.2);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
}

.header-logo {
    height: 28px;
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .header-logo {
        height: 36px;
    }
}

/* --- Hero Section --- */
.hero {
    position: relative;
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 5rem;
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(to bottom, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.85) 100%), url('assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-bottom-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
    z-index: 1;
}

.hero-title {
    font-size: clamp(36px, 5vw, 68px);
    letter-spacing: -2px;
    font-weight: 900;
    max-width: 900px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-muted);
    max-width: 700px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-video-card {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 2rem auto 0;
    aspect-ratio: 16/9;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-orange);
    box-shadow: 0 10px 40px var(--color-orange-glow);
    background-color: var(--color-card);
}

@media (min-width: 768px) {
    .hero-video-card {
        margin-top: 3rem;
    }
}

.hero-video-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition);
}

.hero-video-card:hover .hero-video-overlay {
    background: rgba(0,0,0,0.3);
}

.play-btn-circle {
    width: 80px;
    height: 80px;
    background-color: var(--color-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--color-orange);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-btn-circle:hover {
    transform: scale(1.1);
}

.play-btn-circle::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #000;
    margin-left: 6px;
}

.video-label {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background-color: #000;
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

/* --- Marquee --- */
.marquee-section {
    background-color: var(--color-orange);
    padding: 1rem 0;
    overflow: hidden;
    position: relative;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    z-index: 5;
}

.marquee-track {
    display: flex;
    width: fit-content;
    animation: marquee 35s linear infinite;
}

.marquee-content {
    display: flex;
    align-items: center;
    white-space: nowrap;
    font-size: 1.25rem;
    font-weight: 800;
    color: #000;
    padding-right: 1rem;
    letter-spacing: 0.05em;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.333%); }
}

/* --- Compact Problem Section --- */
.compact-section {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.problem-box {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-orange);
    border-radius: 12px;
    padding: 2rem;
}

.problem-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .problem-list {
        grid-template-columns: 1fr 1fr;
    }
}

.problem-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.problem-icon {
    width: 10px;
    height: 10px;
    background-color: var(--color-orange);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-orange);
    flex-shrink: 0;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    border-left: 2px solid var(--color-orange);
    position: relative;
    overflow: hidden;
    padding: 1.5rem;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, var(--color-orange-glow), transparent 70%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 107, 7, 0.1);
    border: 1px solid rgba(255, 107, 7, 0.3);
    border-radius: 50%;
    margin-bottom: 1rem;
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background-color: var(--color-orange);
    border-radius: 3px;
}

.service-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* --- Founder & Mini System Section --- */
.founder-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .founder-grid {
        grid-template-columns: 0.8fr 1fr;
    }
}

.founder-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: var(--border-radius);
    background-color: var(--color-card);
    border: 1px solid var(--color-orange);
    box-shadow: 0 0 30px var(--color-orange-glow);
    overflow: hidden;
}

.founder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.founder-caption {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-orange);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.8rem;
    background: rgba(0,0,0,0.8);
    padding: 0.25rem 1rem;
    border-radius: 4px;
}

.founder-body {
    font-size: 1.125rem;
    color: var(--color-muted);
}

.founder-quote {
    font-size: 1.3rem;
    font-weight: 700;
    font-style: italic;
    border-left: 3px solid var(--color-orange);
    padding-left: 1rem;
    margin-top: 1.5rem;
    line-height: 1.4;
}

.mini-system {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.mini-system-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.mini-system-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.system-chip {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-muted);
}

.system-chip.highlight {
    background-color: var(--color-orange);
    color: #000;
    border-color: var(--color-orange);
}

/* --- Portfolio Section --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 16/9;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    background-color: var(--color-card);
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.portfolio-item:hover {
    border-color: var(--color-orange);
    box-shadow: 0 0 25px var(--color-orange-glow);
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 1.5rem;
    z-index: 1;
}

.portfolio-tag {
    background-color: var(--color-orange);
    color: #000;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.portfolio-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0;
    margin: 0;
}

/* --- Packages Section --- */
.packages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

@media (min-width: 992px) {
    .packages-grid {
        grid-template-columns: repeat(3, 1fr);
        align-items: stretch;
    }
}

.package-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 2rem 1.5rem;
}

.package-card.popular {
    border-color: var(--color-orange);
    box-shadow: 0 0 30px var(--color-orange-glow);
    position: relative;
    background-color: #0f0f0f;
}

@media (min-width: 992px) {
    .package-card.popular {
        transform: scale(1.03);
    }
    .package-card.popular:hover {
        transform: scale(1.06) translateY(-5px);
    }
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-orange);
    color: #000;
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
}

.package-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
}

.price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-text);
    margin-top: 0.25rem;
}

.price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-muted);
}

.package-features {
    flex-grow: 1;
    margin-bottom: 2rem;
}

.package-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--color-muted);
    font-weight: 500;
}

.package-features li::before {
    content: '✓';
    color: var(--color-orange);
    font-weight: 900;
}

/* --- Workflow Section --- */
.workflow-container {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
    padding: 1rem 0;
}

/* Connecting Line */
.workflow-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-orange);
    opacity: 0.5;
    transform: translateX(-50%);
    z-index: 1;
}

.workflow-step {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.workflow-step:last-child {
    margin-bottom: 0;
}

.workflow-number {
    width: 76px;
    height: 76px;
    background-color: #000;
    border: 2px solid var(--color-orange);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-orange);
    box-shadow: 0 0 20px rgba(255, 107, 7, 0.3);
    position: relative;
    z-index: 3;
}

.workflow-text {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--color-orange);
    position: absolute;
    width: 400px;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -1px;
}

/* Desktop Zigzag */
@media (min-width: 768px) {
    .workflow-step:not(.alt) .workflow-text {
        right: calc(50% + 60px);
        text-align: right;
    }
    .workflow-step.alt .workflow-text {
        left: calc(50% + 60px);
        text-align: left;
    }
}

/* Mobile Stack */
@media (max-width: 767px) {
    .workflow-container {
        margin-top: 3rem;
    }
    .workflow-line {
        display: none;
    }
    .workflow-step {
        flex-direction: column;
        margin-bottom: 3rem;
        gap: 1rem;
    }
    .workflow-number {
        width: 64px;
        height: 64px;
        font-size: 1.25rem;
    }
    .workflow-text {
        position: static;
        width: 100%;
        text-align: center;
        font-size: 1.75rem;
    }
}

/* --- Lead Form --- */
.lead-form {
    background-color: #050505;
    border-top: 1px solid var(--color-border);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-card);
    border: 1px solid var(--color-orange);
    box-shadow: 0 0 30px var(--color-orange-glow);
    border-radius: var(--border-radius);
    padding: 2.5rem 1.5rem;
}

@media (min-width: 768px) {
    .form-container {
        padding: 4rem;
    }
}

.form-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.audit-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .audit-form {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text);
}

input, select, textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: #000;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

input::placeholder, textarea::placeholder {
    color: #444;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 2px var(--color-orange-glow);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    width: 100%;
    border: none;
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 3rem 0;
    background-color: var(--color-bg);
    text-align: center;
}

.footer-container p {
    color: var(--color-muted);
    line-height: 1.8;
}

.footer-email {
    color: var(--color-orange);
    font-weight: 700;
}

.footer-socials {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.footer-socials a {
    color: var(--color-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    padding: 0 0.25rem;
}

.footer-socials a:hover {
    color: var(--color-orange);
}

.footer-socials .sep {
    color: var(--color-border);
    margin: 0 0.25rem;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.appear {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }